PostgreSQL Core: How many years have you administered PostgreSQL in production environments, and what’s the largest database size you’ve managed?

AWS RDS: What PostgreSQL-specific features of AWS RDS have you used (e.g., parameter groups, snapshots, read replicas)?

Performance Tuning: Can you give an example of a performance issue you resolved (e.g., slow queries, indexing, partitioning)?

Schema Changes / Migrations: Have you handled live schema changes or major database migrations? Can you describe one?

Monitoring & Alerts: What monitoring tools have you used for PostgreSQL health and performance?

Scripting & Automation: What scripting or automation tools do you use for DBA tasks (e.g., Bash, perl, Python)?

Cross-Database Exposure: Besides PostgreSQL, what other database engines have you supported (e.g., MongoDB, Redis, MySQL)?